| 发明名称 |
Descaling solutions comprising EDDH |
| 摘要 |
<p>This invention relates to EDTA derivatives (hereafter also referred to as EDD) and a process for producing them, comprising the step of reacting EDTA (ethylene diamine tetra acetic acid) with at least one compound selected from hydrazine and/or C1-C5 linear or branched diamines. These compounds are suited for dissolving scales.</p> |
| 申请公布号 |
EP1808428(A1) |
申请公布日期 |
2007.07.18 |
| 申请号 |
EP20060000819 |
申请日期 |
2006.01.16 |
| 申请人 |
RESEARCH INSTITUTE OF PETROLEUM INDUSTRY (RIPI) |
发明人 |
KAMELI, MOHAMMAD;NAZARI, KHODADAD;ZARE, MASOUD |
| 分类号 |
C07C243/28;C02F5/12;C07C237/10;C23G1/14;C23G1/18;C23G1/19 |
主分类号 |
C07C243/28 |
| 代理机构 |
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代理人 |
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| 地址 |
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